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  5. CVE-2026-44264

CVE-2026-44264: Weblate vulnerable to XSS via crafted Markdown

May 7, 2026 (updated May 8, 2026)

The Markdown renderer used in user comments and other user-provided content didn’t properly sanitize some attributes.

References

  • github.com/WeblateOrg/weblate/commit/85abc9df88b7464f4c0e794aef752e45f4230f75
  • github.com/WeblateOrg/weblate/pull/19259
  • github.com/WeblateOrg/weblate/releases/tag/weblate-5.17.1
  • github.com/WeblateOrg/weblate/security/advisories/GHSA-5cmv-3rc4-7279
  • github.com/advisories/GHSA-5cmv-3rc4-7279
  • nvd.nist.gov/vuln/detail/CVE-2026-44264

Code Behaviors & Features

Detect and mitigate CVE-2026-44264 with GitLab Dependency Scanning

Secure your software supply chain by verifying that all open source dependencies used in your projects contain no disclosed vulnerabilities. Dependency Scanning using SBOM also detects vulnerabilities from proprietary advisories that this site does not include. Learn more about Dependency Scanning using SBOM →

Affected versions

All versions before 5.17.1

Fixed versions

  • 5.17.1

Solution

Upgrade to version 5.17.1 or above.

Impact 4.3 MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Learn more about CVSS

Weakness

  • CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
  • CWE-80: Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)

Source file

pypi/Weblate/CVE-2026-44264.yml

Spotted a mistake? Edit the file on GitLab.

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